Adjustable locking and blocking device



FIG. 1 is a perspective view of an adjustable locking and blocking device showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is an exploded perspective view thereof.

The claimed adjustable locking and blocking device shows an undetermined length. 

The ornamental design for an adjustable locking and blocking device, as shown and described. 